Ventilating fan



FIG. 1 is a front perspective view of a ventilating fan according to the original design.

FIG. 2 is a rear plan view of FIG. 1 ; and,

FIG. 3 is a front plan view of FIG. 2 with the front ring removed for completeness of illustration. 

CLAIM The ornamental design for a ventilating fan, as shown and described. 